Hi All,
Someone kindly suggested that I post the question again, but that this
time I make some sense :-) Good idea I say...
So - step by step, first a series of facts to set the scene:
1. i have an NSSplitView
2. both of the views that this split view contains use CALayer instances
3. in the lower view is a track-view style control, it allows one to
drag tracks up and down
4. the track view in the lower part of the NSSplitView is contained in
an NSScrollView instance (which is usual for splitters of course -
nothing abnormal so far).
next: here's a screen shot of the app working properly - in this
screenshot, I've started the app but not resized anything or moved
anything yet.
http://skitch.com/johnclayton/s5fr/picture-1
now, imagine that I take the mouse, and I use it to drag that horribly
purple coloured track straight down. the desired effects are:
- the layer is moved downwards
- the view expands in the vertical direction (gets larger, but thats
ok right - cos its in a scrollview)
- the vertical scrollbar should appear in the NSScrollView
- the NSScrollView / NSClipView should clip the contents view
now, here's a screenshot of the bug:
http://skitch.com/johnclayton/s5fa/picture-3
so I wonder what is causing the calayer instance to NOT be clipped in
this case. The NSClipView inside the scrollview should be clipping,
right?
Thanks
--
John Clayton
Skype: johncclayton
On 24/09/2008, at 5:58 AM, John Clayton wrote:
Hi All,
I have a vertically laid out NSSplitView which is hosting two
NSViews, both of which contain CALayer instances. In the bottom
view, there's a scroll view - and I can drag stuff within the view -
which in turn causes the view to grow.
Sometimes, the splitview doesn't clip the CALayer *at all*, and I
see this:
http://skitch.com/johnclayton/s4gc/picture-2
I resize the contents of the split-view during mouseDragged: (along
with its layers), does anyone know of issues with this or perhaps
has an idea of whats going wrong?
Thanks
--
John Clayton
Skype: johncclayton
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